Solar Power Generation
Continuously tracking and forecasting solar power generation enables Elia to operate its grid smoothly around the clock.
Solar Power Generation for Belgium
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To download the data, you can consult the Elia open data platform. The button will redirect you to the platform
Photovoltaic power production estimation and forecast on Belgian grid (Historical) — Elia Open Data PortalLegend
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Graph legend
Time intervalQuarter-hour -
Forecast periodThe forecast period always begins with the DForecast (intraday data) and runs to the D+7 forecast (future data).
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Week-ahead forecastThis is a snapshot of the D+7 forecast and is updated at 4.45 p.m. (with values created at 4.00 p.m.).
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Day-ahead forecastThis is a snapshot of D+1 forecast and is updated at 5.40 p.m. (with values created at 4.00 p.m.).
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Most recent forecastThis forecast is updated every hour.
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Measurement updatesThe unique quarter-hourly value for upscaled measurements is updated every quarter of an hour. The value is always the amount of power equivalent to the running average measured for that particular quarter-hour. These measurement data are always obtained from an estimate based on an extrapolation, since Elia does not have all the measurement data at its disposal.
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Monitored capacity
Elia always tries to ensure that its forecasts and the corresponding measurements reflect the latest situation with regard to installed solar-PV power capacity in the Belgian control area. Installed capacities are displayed in MW-peak and are retrieved from data shared by regional authorities: Vlaams energie en klimaatagentschap (in Dutch) and Carte dynamique (solaire et éolien) de la Wallonie (in French)
Depending on the filters selected, the monitored capacity displayed is shown in the graph alongside the filter buttons.
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Power generation factorDescribes the amount of power generated by a production unit relative to its monitored capacity.
